Re: [PATCH 01/16] mm: delayed page activation

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Wu Fengguang wrote:
When a page is referenced the second time in inactive_list, mark it with
PG_activate instead of moving it into active_list immediately. The actual
moving work is delayed to vmscan time.


This is something similar to what Rik and I have both wanted in the
past. In my case it was to simplify and improve the "use once"
streaming io mechanism.

I wouldn't feel comfortable lumping this together with your readahead
work all at once (ditto for some of the other vm changes).

Mabe we should look at making a decision on some of these peripheral
patches before readahead proper.

--
SUSE Labs, Novell Inc.

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